journey goes forward. and the state of our union is strong. >> tuesday, president obama deliver as of this year's address live on c-span. with our preview program starting at 8:00 p.m. eastern and the president at 9:00, followed by the gop response and your reaction. tuesday night on c-span, c-span radio, and c-span.org. >> first lady helen taft on discussing politics. but i always had the satisfaction knowing almost as much as he about the intricacies of an assiduous in. i think any woman can discuss with the -- with their husband national interest. i became phil yet -- familiar with more than politics. >> helen taft, whose husband, william howard taft, was the only man to serve as president and supreme court justice. one of the women who served as first lady in the new original series "first ladies -- influence and image." their public and private lives, influence on the public. but despite the white house historical sketch which. season one begins president's day, february 18, 9:00 eastern and pacific on c-span, c-span radio, and c-span.org. >> "washington journal" continues.